EP2403160A3 - A communication apparatus for a repeating station - Google Patents
A communication apparatus for a repeating station Download PDFInfo
- Publication number
- EP2403160A3 EP2403160A3 EP11172889.5A EP11172889A EP2403160A3 EP 2403160 A3 EP2403160 A3 EP 2403160A3 EP 11172889 A EP11172889 A EP 11172889A EP 2403160 A3 EP2403160 A3 EP 2403160A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- communication apparatus
- repeating station
- property
- received signal
- calculating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/1555—Selecting relay station antenna mode, e.g. selecting omnidirectional -, directional beams, selecting polarizations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15564—Relay station antennae loop interference reduction
- H04B7/15571—Relay station antennae loop interference reduction by signal isolation, e.g. isolation by frequency or by antenna pattern, or by polarization
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
- Communication Control (AREA)
- Small-Scale Networks (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004198049A JP4459738B2 (en) | 2004-07-05 | 2004-07-05 | Relay device, communication device, and directivity control method |
EP05254218.0A EP1615354B1 (en) | 2004-07-05 | 2005-07-05 | Repeater station and a directivity control method |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05254218.0A Division-Into EP1615354B1 (en) | 2004-07-05 | 2005-07-05 | Repeater station and a directivity control method |
EP05254218.0 Division | 2005-07-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2403160A2 EP2403160A2 (en) | 2012-01-04 |
EP2403160A3 true EP2403160A3 (en) | 2013-11-06 |
Family
ID=35094190
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11172889.5A Withdrawn EP2403160A3 (en) | 2004-07-05 | 2005-07-05 | A communication apparatus for a repeating station |
EP05254218.0A Expired - Fee Related EP1615354B1 (en) | 2004-07-05 | 2005-07-05 | Repeater station and a directivity control method |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05254218.0A Expired - Fee Related EP1615354B1 (en) | 2004-07-05 | 2005-07-05 | Repeater station and a directivity control method |
Country Status (4)
Country | Link |
---|---|
US (1) | US7606531B2 (en) |
EP (2) | EP2403160A3 (en) |
JP (1) | JP4459738B2 (en) |
CN (2) | CN1722639B (en) |
Families Citing this family (46)
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US8885688B2 (en) | 2002-10-01 | 2014-11-11 | Qualcomm Incorporated | Control message management in physical layer repeater |
JP4459738B2 (en) * | 2004-07-05 | 2010-04-28 | 株式会社エヌ・ティ・ティ・ドコモ | Relay device, communication device, and directivity control method |
US20090117859A1 (en) * | 2006-04-07 | 2009-05-07 | Belair Networks Inc. | System and method for frequency offsetting of information communicated in mimo based wireless networks |
KR101164039B1 (en) * | 2006-09-01 | 2012-07-18 | 퀄컴 인코포레이티드 | Repeater having dual receiver or transmitter antenna configuration with adaptation for increased isolation |
KR100834682B1 (en) * | 2006-09-05 | 2008-06-02 | 삼성전자주식회사 | Apparatus and method for controlling a transmission power in mobile terminal |
WO2008036401A2 (en) | 2006-09-21 | 2008-03-27 | Qualcomm Incorporated | Method and apparatus for mitigating oscillation between repeaters |
WO2008057290A1 (en) | 2006-10-26 | 2008-05-15 | Qualcomm Incorporated | Repeater techniques for multiple input multiple output utilizing beam formers |
US8447230B2 (en) | 2006-11-06 | 2013-05-21 | Nextivity, Inc. | Variable gain antenna for cellular repeater |
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US8228878B2 (en) | 2007-05-31 | 2012-07-24 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system of communications |
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US7940790B2 (en) | 2007-06-11 | 2011-05-10 | Viasat, Inc. | Multiple request intervals |
US7953060B2 (en) | 2007-06-11 | 2011-05-31 | Viasat, Inc. | Quasisynchronous reservation requests |
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US8184737B2 (en) | 2007-11-27 | 2012-05-22 | Korea Advanced Institute Of Science And Technology | Echo cancellation and echo channel estimation system using multiple antennas |
US8144680B2 (en) | 2007-11-30 | 2012-03-27 | Viasat, Inc. | Contention-based communications |
US20090141680A1 (en) * | 2007-11-30 | 2009-06-04 | Viasat, Inc. | Flexible assignment of scheduled and request transmissions |
KR101525617B1 (en) * | 2007-12-10 | 2015-06-04 | 한국전자통신연구원 | Apparatus and method for transmitting and receiving streaming data using multiple path |
KR100957213B1 (en) * | 2007-12-11 | 2010-05-11 | 한국전자통신연구원 | System and method for radio resource reusing |
US8666309B2 (en) * | 2008-01-28 | 2014-03-04 | Nokia Corporation | System for distributed beamforming for a communication system employing relay nodes |
US20090325479A1 (en) * | 2008-06-25 | 2009-12-31 | Qualcomm Incorporated | Relay antenna indexing for shared antenna communication |
US8630580B2 (en) * | 2008-08-18 | 2014-01-14 | Agency For Science, Technology And Research | Analog space-time relay method and apparatus for a wireless communication relay channel |
JP5149111B2 (en) * | 2008-09-09 | 2013-02-20 | 株式会社エヌ・ティ・ティ・ドコモ | Radio relay apparatus and radio relay method |
JP2010109914A (en) * | 2008-10-31 | 2010-05-13 | Mitsubishi Electric Corp | Wireless relay system, and wireless relay apparatus |
US8280427B2 (en) * | 2008-11-21 | 2012-10-02 | Nokia Corporation | Gain factor/matrix for whole link channel reciprocity in TDD MIMO relay system |
JP2010135929A (en) * | 2008-12-02 | 2010-06-17 | Fujitsu Ltd | Radio relay device |
US8472868B2 (en) * | 2009-05-06 | 2013-06-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for MIMO repeater chains in a wireless communication network |
US8265546B2 (en) * | 2009-05-11 | 2012-09-11 | Qualcomm Incorporated | Gain adjustment stepping control in a wireless repeater |
US8452232B2 (en) * | 2009-08-18 | 2013-05-28 | Intel Corporation | Automatic on-off switching repeater for MIMO networks |
US20110064018A1 (en) * | 2009-09-14 | 2011-03-17 | Ari Hottinen | Apparatus and Method for Input/Output Mapping of Spatial Resources of a Relay Node in a Communication System |
US8548375B2 (en) * | 2010-03-12 | 2013-10-01 | Qualcomm Incorporated | Gain control metric computation in a wireless repeater |
JP2011254380A (en) * | 2010-06-03 | 2011-12-15 | Sharp Corp | Communication system, reception device, relay device, communication method, reception method, and relay method |
US8942272B2 (en) * | 2010-08-02 | 2015-01-27 | Qualcomm Incorporated | Method and apparatus for enabling signal processing in a multiple antenna repeater |
JP5569301B2 (en) * | 2010-09-28 | 2014-08-13 | 富士通株式会社 | Radio relay apparatus, radio relay apparatus control method, and radio communication system |
WO2012067093A1 (en) * | 2010-11-16 | 2012-05-24 | 日本電信電話株式会社 | Wireless communications system and wireless communications method |
JP2013074399A (en) * | 2011-09-27 | 2013-04-22 | Kyocera Corp | Relay device and communication control method |
BR112016003045B1 (en) * | 2013-12-19 | 2022-06-14 | Huawei Technologies Co., Ltd | COMPLETE DUPLEXING ANTENNA AND MOBILE TERMINAL |
JP2015159421A (en) * | 2014-02-24 | 2015-09-03 | パナソニック株式会社 | Radio communication device and directivity control method |
JP2016010123A (en) | 2014-06-26 | 2016-01-18 | 富士通株式会社 | Relay device and adjustment method for relay device |
US9992686B2 (en) * | 2014-11-03 | 2018-06-05 | Lg Electronics Inc. | Method and device for performing cell shaping |
JP6466284B2 (en) * | 2015-08-21 | 2019-02-06 | 日本電信電話株式会社 | Wireless relay device and wraparound cancellation method |
US9948413B1 (en) * | 2017-04-20 | 2018-04-17 | Oculus Vr, Llc | Relay system calibration for wireless communications between a head-mounted display and a console |
CN115694574A (en) * | 2021-07-31 | 2023-02-03 | 华为技术有限公司 | Communication device |
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EP1587269A2 (en) * | 2004-04-14 | 2005-10-19 | NTT DoCoMo, Inc. | Communication apparatus |
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-
2004
- 2004-07-05 JP JP2004198049A patent/JP4459738B2/en not_active Expired - Fee Related
-
2005
- 2005-07-05 CN CN2005100859162A patent/CN1722639B/en not_active Expired - Fee Related
- 2005-07-05 EP EP11172889.5A patent/EP2403160A3/en not_active Withdrawn
- 2005-07-05 US US11/172,951 patent/US7606531B2/en not_active Expired - Fee Related
- 2005-07-05 EP EP05254218.0A patent/EP1615354B1/en not_active Expired - Fee Related
- 2005-07-05 CN CNA2008101830199A patent/CN101431360A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20030090994A1 (en) * | 2001-11-13 | 2003-05-15 | Nec Corporation | Guard interval length control method in OFDM system and OFDM transmitting and receiving apparatuses |
US20030124976A1 (en) * | 2001-12-28 | 2003-07-03 | Tsuyoshi Tamaki | Multi point wireless transmission repeater system and wireless equipments |
EP1587269A2 (en) * | 2004-04-14 | 2005-10-19 | NTT DoCoMo, Inc. | Communication apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP2403160A2 (en) | 2012-01-04 |
CN1722639A (en) | 2006-01-18 |
US7606531B2 (en) | 2009-10-20 |
EP1615354A2 (en) | 2006-01-11 |
JP4459738B2 (en) | 2010-04-28 |
US20060003697A1 (en) | 2006-01-05 |
EP1615354B1 (en) | 2014-04-09 |
CN101431360A (en) | 2009-05-13 |
JP2006020211A (en) | 2006-01-19 |
EP1615354A3 (en) | 2011-10-05 |
CN1722639B (en) | 2011-08-17 |
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Legal Events
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Effective date: 20110706 |
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